CN102373312A - Primary fume dry method dedusting system of vanadium recovery converter - Google Patents
Primary fume dry method dedusting system of vanadium recovery converter Download PDFInfo
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- CN102373312A CN102373312A CN2011103370774A CN201110337077A CN102373312A CN 102373312 A CN102373312 A CN 102373312A CN 2011103370774 A CN2011103370774 A CN 2011103370774A CN 201110337077 A CN201110337077 A CN 201110337077A CN 102373312 A CN102373312 A CN 102373312A
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Abstract
The invention relates to a primary fume dry method dedusting system of a vanadium recovery converter, which is characterized by comprising an evaporative cooling tower, a first fume pipeline, a high temperature bag-type dust collector, a Venturi flowmeter, a second fume pipeline, a draught fan, a third fume pipeline, a muffler, a fourth fume pipeline and a vent stack; high temperature fume generated at the mouth of the vanadium recovery converter enters the evaporative cooling tower through being cooled by an evaporative cooling flue, a fume outlet of the evaporative cooling tower is communicated with a fume inlet of the high temperature bag-type dust collector through the first fume pipeline; an outlet of the draught fan is connected with an inlet of the muffler through the third fume pipeline; and an outlet of the muffler is connected with an inlet of the vent stack through the fourth fume pipeline. The system can operate safely, and can make the content of dust in the discharged fume less than or equal to 15 mg/Nm<3>.
Description
Technical field
The present invention relates to dry fume dust-removal system of a kind of converter extracting vanadium.
Background technology
The converter extracting vanadium main task is: the one, and blow into vanadium-bearing hot metal high-carbon content and satisfy the half steel of next step steel-making requirements; The 2nd, make the vanadium oxidation in the molten iron it get into vanadium slag to greatest extent.Technology by converter extracting vanadium can be known; The flue gas that converter extracting vanadium produces does not have recovery value because carbon monoxide concentration is lower, therefore guaranteeing the dust content emission compliance, and guaranteeing under the prerequisite of security of system; Need to consider to utilize the energy in the flue gas, and accomplish water-saving and electricity-saving as far as possible.
Dry fume dust collecting process of converter extracting vanadium of the present invention just in time satisfies this requirement.
Summary of the invention
The object of the present invention is to provide dry fume dust-removal system of a kind of converter extracting vanadium, this system's ability safe operation can make dust content≤15mg/Nm in the discharging flue gas
3
To achieve these goals; Technical scheme of the present invention is: dry fume dust-removal system of a kind of converter extracting vanadium is characterized in that it comprises wet cooling tower 3, first flue 4, high temperature cloth bag dust collector 5, venturi meter 6, second flue 7, induced draft fan 8, the 3rd flue 9, sourdine 10, the 4th flue 11, diffuses chimney 12, the thin grey ash-unloading tube of the thin grey ash-unloading tube of the pneumatic push-pull valve of the thin grey ash-unloading tube of the pneumatic double-deck flap valve of the pneumatic push-pull valve of the pneumatic double-deck flap valve of the pneumatic push-pull valve of cinder ash-unloading tube 13, first 14, first 15, cinder storehouse 16, the first scraper ash-transmission machine 17, second 18, second 19, first 20, accident 21, accident ash-unloading tube 22, the second scraper ash-transmission machine 23, second 24, spiral ash machine 25, chapelet the 26, the 3rd 27, thin grey storehouse 28;
Cooling enters in the wet cooling tower 3 (inlet of wet cooling tower 3 is connected with the outlet of gasification cooling flue 2) high-temperature flue gas that converter extracting vanadium fire door place produces through gasification cooling flue, is provided with the double-flow spray gun system (two-fluid aerosol spray gun) as atomization droplet evaporation cooled flue gas in the wet cooling tower 3; The exhanst gas outlet of wet cooling tower 3 is connected with the flue gas input aperture of high temperature cloth bag dust collector 5 through first flue 4; The exhanst gas outlet of high temperature cloth bag dust collector 5 is equipped with venturi meter 6; Venturi meter 6 links to each other through second flue 7 with the input aperture of induced draft fan 8; The delivery port of induced draft fan 8 links to each other through the 3rd flue 9 with the input aperture of sourdine 10; The delivery port of sourdine 10 links to each other through the 4th flue 11 with the input aperture of diffusing chimney 13;
Diffuse nitrogen induction apparatus (directly with diffuse chimney be connected) and portfire are installed on the chimney 12; The bottom ash output hole of wet cooling tower 3 links to each other through cinder ash-unloading tube 13 with the input aperture in cinder storehouse 16, and the first pneumatic push-pull valve 14 and the first pneumatic double-deck flap valve 15 are installed on the cinder ash-unloading tube 13; The outlet below of high temperature cloth bag dust collector 5 is provided with the first scraper ash-transmission machine 17; The normal ash output hole of the first scraper ash-transmission machine 17 links to each other through the first thin grey ash-unloading tube 20 with the input aperture of scraper ash-transmission machine 23, and the second pneumatic push-pull valve 18 and the second pneumatic double-deck flap valve 19 are installed on the first thin grey ash-unloading tube 20; The urgent ash output hole of the first scraper ash-transmission machine 17 links to each other the pneumatic push-pull valve 21 of the accident that is equipped with on the accident ash-unloading tube 22 with accident ash storehouse through accident ash-unloading tube 22; The delivery port of scraper ash-transmission machine 23 links to each other through the second thin grey ash-unloading tube 24 with the input aperture of spiral ash machine 25; The delivery port of spiral ash machine 25 directly links to each other with the input aperture of chapelet 26; The delivery port of chapelet 26 links to each other through the 3rd thin grey ash-unloading tube 27 with thin grey storehouse 28.
The present invention has following beneficial effect: because it has adopted the thick dedusting of wet cooling tower, the smart dedusting of high temperature cloth bag dust collector, can guarantee kind of dust≤15mg/Nm
3, far below the national requirements emission standard; Because system adopts the evaporating cooling, can save a large amount of water coolants simultaneously, not have secondary pollution and WWT; And system simplification, floor space is little, is convenient to administer and maintain.The dry method system of electrostatic precipitator is used in contrast, because use is the high temperature cloth bag dust collector, has definitely avoided system's blast, can guarantee system safety operation.
Description of drawings
Fig. 1 is the structure iron of system of the present invention;
Among the figure: 1-converter extracting vanadium, 2-gasification cooling flue, 3-wet cooling tower, 4-first flue, 5-high temperature cloth bag dust collector; The 6-venturi meter, 7-second flue, 8-induced draft fan, 9-the 3rd flue, 10-sourdine; 11-the 4th flue, 12-diffuses chimney, 13-cinder ash-unloading tube, the 14-first pneumatic push-pull valve, the 15-first pneumatic double-deck flap valve; 16-cinder storehouse, the 17-first scraper ash-transmission machine, the 18-second pneumatic push-pull valve, the 19-second pneumatic double-deck flap valve, the 20-first thin grey ash-unloading tube; The pneumatic push-pull valve of 21-accident, 22-accident ash-unloading tube, the 23-second scraper ash-transmission machine, the 24-second thin grey ash-unloading tube; The 25-spiral ash machine, 26-chapelet, 27-the 3rd thin grey ash-unloading tube, the thin grey storehouse of 28-.(annotating: do not comprise converter extracting vanadium 1, gasification cooling flue 2 in dry fume dust-removal system of converter extracting vanadium)
Embodiment
In order to understand the present invention better, further illustrate content of the present invention below in conjunction with embodiment, but content of the present invention not only is confined to following embodiment.
Embodiment 1:
As shown in Figure 1; Dry fume dust-removal system of converter extracting vanadium, it comprises wet cooling tower 3, first flue 4, high temperature cloth bag dust collector 5, venturi meter 6, second flue 7, induced draft fan 8, the 3rd flue 9, sourdine 10, the 4th flue 11, diffuses chimney 12, the thin grey ash-unloading tube of the thin grey ash-unloading tube of the pneumatic push-pull valve of the thin grey ash-unloading tube of the pneumatic double-deck flap valve of the pneumatic push-pull valve of the pneumatic double-deck flap valve of the pneumatic push-pull valve of cinder ash-unloading tube 13, first 14, first 15, cinder storehouse 16, the first scraper ash-transmission machine 17, second 18, second 19, first 20, accident 21, accident ash-unloading tube 22, the second scraper ash-transmission machine 23, second 24, spiral ash machine 25, chapelet the 26, the 3rd 27, thin grey storehouse 28;
Cooling enters in the wet cooling tower 3 (inlet of wet cooling tower 3 is connected with the outlet of gasification cooling flue 2) high-temperature flue gas that converter extracting vanadium fire door place produces through gasification cooling flue, is provided with the double-flow spray gun system (two-fluid aerosol spray gun) as atomization droplet evaporation cooled flue gas in the wet cooling tower 3; The exhanst gas outlet of wet cooling tower 3 is connected with the flue gas input aperture of high temperature cloth bag dust collector 5 through first flue 4; The exhanst gas outlet of high temperature cloth bag dust collector 5 is equipped with venturi meter 6; Venturi meter 6 links to each other through second flue 7 with the input aperture of induced draft fan 8; The delivery port of induced draft fan 8 links to each other through the 3rd flue 9 with the input aperture of sourdine 10; The delivery port of sourdine 10 links to each other through the 4th flue 11 with the input aperture of diffusing chimney 13;
Diffuse nitrogen induction apparatus (directly with diffuse chimney be connected) and portfire are installed on the chimney 12; The bottom ash output hole of wet cooling tower 3 links to each other through cinder ash-unloading tube 13 with the input aperture in cinder storehouse 16, and the first pneumatic push-pull valve 14 and the first pneumatic double-deck flap valve 15 are installed on the cinder ash-unloading tube 13; The outlet below of high temperature cloth bag dust collector 5 is provided with the first scraper ash-transmission machine 17; The normal ash output hole of the first scraper ash-transmission machine 17 links to each other through the first thin grey ash-unloading tube 20 with the input aperture of scraper ash-transmission machine 23, and the second pneumatic push-pull valve 18 and the second pneumatic double-deck flap valve 19 are installed on the first thin grey ash-unloading tube 20; The urgent ash output hole of the first scraper ash-transmission machine 17 links to each other the pneumatic push-pull valve 21 of the accident that is equipped with on the accident ash-unloading tube 22 with accident ash storehouse through accident ash-unloading tube 22; The delivery port of scraper ash-transmission machine 23 links to each other through the second thin grey ash-unloading tube 24 with the input aperture of spiral ash machine 25; The delivery port of spiral ash machine 25 directly links to each other with the input aperture of chapelet 26; The delivery port of chapelet 26 links to each other through the 3rd thin grey ash-unloading tube 27 with thin grey storehouse 28.
As shown in Figure 1, dry fume dust collecting process of converter extracting vanadium, it comprises the steps:
1) flue gas of 1450 ℃ of high temperature dusts of converter extracting vanadium 1 fire door place generation is cooled to 880-920 ℃ through gasification cooling flue 2, gets into wet cooling tower 3;
2) in wet cooling tower 3; The atomized water drop of the flue gas of dust-laden and double-flow spray gun system (two-fluid aerosol spray gun) ejection comes in contact formula heat exchange (composition of atomizing droplet is the clean recirculated water of industry); For guaranteeing flue gas and the abundant heat exchange of atomized water drop, the residence time of the flue gas of dust-laden in wet cooling tower 3 is no less than 4 seconds (being generally 4～6 seconds);
Pass through gravity and centrifugal action in wet cooling tower 3 bottoms carry out thick dedusting to the flue gas of dust-laden; Temperature at wet cooling tower 3 outlet flue gases is reduced to 248～252 ℃ (the best is 250 ℃), enters into high temperature cloth bag dust collector 5 through cooling, thick dust separating flue gas through first flue 4;
3) in high temperature cloth bag dust collector 5, the flue gas of dust-laden is by smart dedusting, the dust content≤15mg/Nm of the outlet of high temperature cloth bag dust collector
3, the filtrate that uses in the high temperature cloth bag dust collector requires: 204 ℃ of long-term heatproofs, and 240 ℃ of instantaneous heatproofs, acid and alkali-resistance, resistance to hydrolysis can be good; After the 5 smart dedustings of high temperature cloth bag dust collector, flue gas enters in the induced draft fan 8 through the Wen's flowmeter for pipe 6 and second flue 7;
The indication acid and alkali-resistance is meant can anti-similar carbonic acid and weak acid alkaline matter such as yellow soda ash; Resistance to hydrolysis can index for requiring its coefficient of softening greater than 0.85, represent with the coefficient of softening K of material; K=fw (w is a subscript)/f
In the formula: the ultimate compression strength of fw---material under saturated-water phase, MPa;
The ultimate compression strength of f---material under dryness, MPa;
4) induced draft fan 8 is power resources of dry-dedusting system; Flue gas is pressurized in induced draft fan 8; The induced draft fan air quantity is by flow director and fire door elementary errors pressure-controlled device Comprehensive Control, in induced draft fan 8, enters into sourdine 10 through pressurization back flue gas through the 3rd flue 9;
5) the high speed flue gas that in sourdine 10, induced draft fan 8 exits is produced carries out noise reduction process, requires sourdine sound-damping qualities >=35dB (A), enters into through the 4th flue 11 then and diffuses chimney 12;
6) diffusing chimney 12 tops (top of diffusing chimney is provided with the ignition device), flue gas is through ignition, and gas fume after burning is disposed in the atmosphere, and dust contained flue gas concentration has reached discharging standards≤15mg/Nm during discharging
3(experiment detects proof dust contained flue gas concentration≤15mg/Nm
3); If (this set(ting)value is 75000Nm less than set(ting)value for induced draft fan 8 tripping operations or flue gas flow in the oxygen blast process of converter extracting vanadium
3/ h) continue more than 10 seconds; (the nitrogen induction apparatus is installed in and diffuses on the chimney to open the nitrogen induction apparatus immediately; Directly with diffuse chimney and be connected), nitrogen must inject through the nitrogen induction apparatus immediately diffuse chimney, with the remaining flue gas of discharge whole dust-removal system;
7) ash output hole in the bottom of wet cooling tower 3, being removed temperature is that cinder process cinder ash-unloading tube 13, the first pneumatic push-pull valve 14 of 248～252 ℃ (the best is 250 ℃) and the first pneumatic double-deck flap valve 15 that plays the effect of lock gas are fallen in the cinder storehouse 16;
The first class device is installed on the bulkhead in cinder storehouse 16, and periodically opens, the cycle is: opened 10 seconds, and closed 600 seconds cycle, prevent that the dust in the cinder storehouse 16 from hardening; The bottom in cinder storehouse 16 is equipped with first star-shaped ash unloading valve, and when reaching high charge level, first star-shaped ash unloading valve starts and begins to unload ash; The dust that reclaims can continue to serve as the raw material of smelting; For guaranteeing to unload ash smoothly, the first simple and easy sack cleaner and first vacuum release valve are housed at the top in cinder storehouse 16;
8) temperature was the thin grey through the first scraper ash-transmission machine 17 below the outlet of high temperature cloth bag dust collector of 248～252 ℃ (the best is 250 ℃) under quilt removed in high temperature cloth bag dust collector 5, and thin ash is sent to the outside of high temperature cloth bag dust collector; Under normal circumstances afterwards; Thin ash drops down onto through first thin grey ash-unloading tube 20, the second pneumatic push-pull valve 18 and the second pneumatic double-deck flap valve 19 that plays the effect of lock gas and scrapes the second plate cinder conveyer 23; Be transported to spiral ash machine 25 through the second thin grey ash-unloading tube 24 then, be transported to thin grey storehouse 28 via chapelet 26 and the 3rd thin grey ash-unloading tube 27 at last; In the state of accident, thin ash drops down onto in the accident ash storehouse through pneumatic push-pull valve 21 of accident and accident ash-unloading tube 22;
Second fluidizer is installed on the bulkhead in thin grey storehouse 28, and periodically opens, the cycle is: opened 60 seconds, and closed 600 seconds cycle, prevent that the dust in the thin grey storehouse 28 from hardening; 28 bottoms, thin grey storehouse are equipped with second star-shaped ash unloading valve, and when reaching high charge level, second star-shaped ash unloading valve starts and begins to unload ash; The dust that reclaims can continue to serve as the raw material of smelting; For guaranteeing to unload ash smoothly, the second simple and easy sack cleaner and second vacuum release valve are housed at the top in thin grey storehouse 28.
Through 10 experiments, system safety operation is in good shape.
Realize control through control in the step 4) to flue gas flow to the induced draft fan air quantity:
For flue gas flow (being the induced draft fan air quantity) unit: when the oxygen rifle of converter extracting vanadium (1) was in closing state, the flue gas air quantity set(ting)value of different steps directly was set at the per-cent of ratings, sees the following form:
When the oxygen rifle is in opened condition; Flue gas air quantity set(ting)value is set at the formula relevant with blowing oxygen quantity; Formula is: flue gas flow set(ting)value=(oxygen flow x2.1438)+petticoat pipe pressure controller output (oxygen flow when oxygen flow is meant the converter oxygen gun oxygen blast, the petticoat pipe pressure controller is meant the movable gas hood at converter mouth place); In the oxygen blast stage when adding flux, set-point calculation is following: flue gas flow a setting point=(oxygen flow x2.1438x1.07)+petticoat pipe pressure controller output, the output stream value scope of petticoat pipe pressure controller is-25,000Nm
3/ h～+ 25,000Nm3/h.
Claims (1)
1. dry fume dust-removal system of a converter extracting vanadium is characterized in that it comprises wet cooling tower (3), first flue (4), high temperature cloth bag dust collector (5), venturi meter (6), second flue (7), induced draft fan (8), the 3rd flue (9), sourdine (10), the 4th flue (11), diffuses chimney (12), cinder ash-unloading tube (13), the first pneumatic push-pull valve (14), the first pneumatic double-deck flap valve (15), cinder storehouse (16), the first scraper ash-transmission machine (17), the second pneumatic push-pull valve (18), the second pneumatic double-deck flap valve (19), the first thin grey ash-unloading tube (20), the pneumatic push-pull valve of accident (21), accident ash-unloading tube (22), the second scraper ash-transmission machine (23), the second thin grey ash-unloading tube (24), spiral ash machine (25), chapelet (26), the 3rd thin grey ash-unloading tube (27), thin grey storehouse (28);
Cooling enters in the wet cooling tower (3) high-temperature flue gas that converter extracting vanadium fire door place produces through gasification cooling flue, is provided with the double-flow spray gun system as atomization droplet evaporation cooled flue gas in the wet cooling tower (3); The exhanst gas outlet of wet cooling tower (3) is connected through the flue gas input aperture of first flue (4) with high temperature cloth bag dust collector (5); The exhanst gas outlet of high temperature cloth bag dust collector (5) is equipped with venturi meter (6); Venturi meter (6) links to each other through second flue (7) with the input aperture of induced draft fan (8); The delivery port of induced draft fan (8) links to each other through the 3rd flue (9) with the input aperture of sourdine (10); The delivery port of sourdine (10) links to each other through the 4th flue (11) with the input aperture of diffusing chimney (13);
Diffuse on the chimney (12) nitrogen induction apparatus and portfire are installed; The bottom ash output hole of wet cooling tower (3) links to each other through cinder ash-unloading tube (13) with the input aperture of cinder storehouse (16), and the first pneumatic push-pull valve (14) and the first pneumatic double-deck flap valve (15) are installed on the cinder ash-unloading tube (13); The outlet below of high temperature cloth bag dust collector (5) is provided with the first scraper ash-transmission machine (17); The normal ash output hole of the first scraper ash-transmission machine (17) links to each other through the first thin grey ash-unloading tube (20) with the input aperture of scraper ash-transmission machine (23), and the second pneumatic push-pull valve (18) and the second pneumatic double-deck flap valve (19) are installed on the first thin grey ash-unloading tube (20); The urgent ash output hole of the first scraper ash-transmission machine (17) links to each other through accident ash-unloading tube (22) with accident ash storehouse, and the pneumatic push-pull valve of accident (21) is installed on the accident ash-unloading tube (22); The delivery port of scraper ash-transmission machine (23) links to each other through the second thin grey ash-unloading tube (24) with the input aperture of spiral ash machine (25); The delivery port of spiral ash machine (25) directly links to each other with the input aperture of chapelet (26); The delivery port of chapelet (26) links to each other through the 3rd thin grey ash-unloading tube (27) with thin grey storehouse (28).
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| CN2011103370774A CN102373312B (en) | 2011-10-31 | 2011-10-31 | Primary fume dry method dedusting system of vanadium recovery converter |
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| CN2011103370774A CN102373312B (en) | 2011-10-31 | 2011-10-31 | Primary fume dry method dedusting system of vanadium recovery converter |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103333982A (en) * | 2013-06-28 | 2013-10-02 | 中冶南方工程技术有限公司 | Converter primary exhaust gas dry dedusting coarse ash pneumatic conveying system |
| CN103332490A (en) * | 2013-06-28 | 2013-10-02 | 中冶南方工程技术有限公司 | Converter gas dry dedusting fine dust pneumatic transport system |
| CN103333984A (en) * | 2013-06-28 | 2013-10-02 | 中冶南方工程技术有限公司 | Converter primary exhaust gas dry dedusting coarse ash pneumatic conveying system |
| CN103332458A (en) * | 2013-06-28 | 2013-10-02 | 中冶南方工程技术有限公司 | Pneumatic conveying system for removing dust and fine ash in dry process of converter gas |
| CN103333985A (en) * | 2013-06-28 | 2013-10-02 | 中冶南方工程技术有限公司 | Converter gas dry dedusting coarse ash pneumatic conveying system |
| CN103388045A (en) * | 2013-06-28 | 2013-11-13 | 中冶南方工程技术有限公司 | Pneumatic transmission system for dry dedusting of thick ash in converter gas |
| CN103388046A (en) * | 2013-06-28 | 2013-11-13 | 中冶南方工程技术有限公司 | Pneumatic transmission method for dry dedusting of fine ash in converter gas |
| CN109331556A (en) * | 2018-11-07 | 2019-02-15 | 山东海汇环保设备有限公司 | A kind of accumulation of heat back-fire relief type low pressure dust pelletizing system and method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11279617A (en) * | 1998-03-31 | 1999-10-12 | Kawasaki Steel Corp | Method for removing dust at skirt seal part of converter exhaust gas treating equipment |
| CN1896287A (en) * | 2006-06-22 | 2007-01-17 | 无锡市东方环境工程设计研究所有限公司 | Bagged dust-collecting rcovery system by rotary-furnace coal-gas dry pulse |
| CN101875992A (en) * | 2009-12-23 | 2010-11-03 | 钢铁研究总院 | Device and method for removing dust from converter smoke by dry method and recycling waste heat |
| CN101892344A (en) * | 2010-07-30 | 2010-11-24 | 中冶南方工程技术有限公司 | Dry dedusting system for converter gas and using method thereof |
| CN101942538A (en) * | 2010-06-24 | 2011-01-12 | 北京国华新兴节能环保科技有限公司 | Process and equipment for dust collection and heat recovery by converter gas dry method |
| CN202297658U (en) * | 2011-10-31 | 2012-07-04 | 中冶南方工程技术有限公司 | Primary smoke dry dedusting system of vanadium extracting converter |
-
2011
- 2011-10-31 CN CN2011103370774A patent/CN102373312B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11279617A (en) * | 1998-03-31 | 1999-10-12 | Kawasaki Steel Corp | Method for removing dust at skirt seal part of converter exhaust gas treating equipment |
| CN1896287A (en) * | 2006-06-22 | 2007-01-17 | 无锡市东方环境工程设计研究所有限公司 | Bagged dust-collecting rcovery system by rotary-furnace coal-gas dry pulse |
| CN101875992A (en) * | 2009-12-23 | 2010-11-03 | 钢铁研究总院 | Device and method for removing dust from converter smoke by dry method and recycling waste heat |
| CN101942538A (en) * | 2010-06-24 | 2011-01-12 | 北京国华新兴节能环保科技有限公司 | Process and equipment for dust collection and heat recovery by converter gas dry method |
| CN101892344A (en) * | 2010-07-30 | 2010-11-24 | 中冶南方工程技术有限公司 | Dry dedusting system for converter gas and using method thereof |
| CN202297658U (en) * | 2011-10-31 | 2012-07-04 | 中冶南方工程技术有限公司 | Primary smoke dry dedusting system of vanadium extracting converter |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103333982A (en) * | 2013-06-28 | 2013-10-02 | 中冶南方工程技术有限公司 | Converter primary exhaust gas dry dedusting coarse ash pneumatic conveying system |
| CN103332490A (en) * | 2013-06-28 | 2013-10-02 | 中冶南方工程技术有限公司 | Converter gas dry dedusting fine dust pneumatic transport system |
| CN103333984A (en) * | 2013-06-28 | 2013-10-02 | 中冶南方工程技术有限公司 | Converter primary exhaust gas dry dedusting coarse ash pneumatic conveying system |
| CN103332458A (en) * | 2013-06-28 | 2013-10-02 | 中冶南方工程技术有限公司 | Pneumatic conveying system for removing dust and fine ash in dry process of converter gas |
| CN103333985A (en) * | 2013-06-28 | 2013-10-02 | 中冶南方工程技术有限公司 | Converter gas dry dedusting coarse ash pneumatic conveying system |
| CN103388045A (en) * | 2013-06-28 | 2013-11-13 | 中冶南方工程技术有限公司 | Pneumatic transmission system for dry dedusting of thick ash in converter gas |
| CN103388046A (en) * | 2013-06-28 | 2013-11-13 | 中冶南方工程技术有限公司 | Pneumatic transmission method for dry dedusting of fine ash in converter gas |
| CN103333982B (en) * | 2013-06-28 | 2014-12-17 | 中冶南方工程技术有限公司 | Converter primary exhaust gas dry dedusting coarse ash pneumatic conveying method |
| CN103388046B (en) * | 2013-06-28 | 2015-04-01 | 中冶南方工程技术有限公司 | Pneumatic transmission method for dry dedusting of fine ash in converter gas |
| CN103388045B (en) * | 2013-06-28 | 2015-04-01 | 中冶南方工程技术有限公司 | Pneumatic transmission system for dry dedusting of thick ash in converter gas |
| CN103332490B (en) * | 2013-06-28 | 2015-06-17 | 中冶南方工程技术有限公司 | Converter gas dry dedusting fine dust pneumatic transport system |
| CN103332458B (en) * | 2013-06-28 | 2015-09-02 | 中冶南方工程技术有限公司 | The thin grey air-transport system of a kind of dry dedusting of converter |
| CN109331556A (en) * | 2018-11-07 | 2019-02-15 | 山东海汇环保设备有限公司 | A kind of accumulation of heat back-fire relief type low pressure dust pelletizing system and method |
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|---|---|
| CN102373312B (en) | 2013-06-19 |
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